A pin type magnetic field synchronous adjustment device for cyclotron
A cyclotron, synchronous adjustment technology, applied in the direction of magnetic resonance accelerator, accelerator, electrical components, etc., can solve the problem of troublesome magnetic field adjustment operation, and achieve the effect of speeding up reliability
Active Publication Date: 2020-01-24
CHINA INSTITUTE OF ATOMIC ENERGY
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Problems solved by technology
[0005] In addition, due to the slight deviation between the computer simulation results of the central plane magnetic field in the magnet design stage and the magnetic field measurement results in the actual project, the error generated each time the magnet is opened and installed will also affect the actual magnetic field value. In the central area and the lead-out area The average magnetic field needs to be fine-tuned to ensure the availability of physical design results, which makes the magnetic field adjustment operation cumbersome
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[0035] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0036] Such as figure 1 with image 3 , the present invention includes a cyclotron main body 1 with a central plane and eight sets of magnetic field adjustment devices.
[0037] The main body 1 of the cyclotron is a cylindrical body that is axially symmetrical with the central plane, and eight insertion holes 11 are arranged on the end faces of the two ends of the cylindrical body (see Figure 4 ), the eight insertion holes 11 at both ends are arranged symmetrically to the central plane one by one, and the two ends of the cylinder are respectively provided with end caps 2 symmetrical to the central plane, and each end cap 2 is respectively provided with corresponding to each insertion hole 11 There are eight through holes, each through hole on the end cover 2 is provided with a magnetic shielding cavity 311 on the outside, the magnetic shielding cavity 311 ...
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The invention discloses a pin-type magnetic field synchronous adjusting device for a cyclotron, belonging to the field of cyclotrons. The scheme of the invention comprises a cyclotron body having a center plane, both ends of the cyclotron main body are respectively provided with end caps symmetrical to the center plane, a magnetic field synchronization adjust device further includes at least one set of magnetic field adjust devices, each set of magnetic field adjusting devices includes two magnetic field adjusting assemblies respectively arranged at both ends of the cyclotron and symmetrical with the center plane, Each magnetic field regulating assembly includes two magnetic field regulating rods slidably inserted on an end cap and a driving mechanism for driving each magnetic field regulating rod to perform axial displacement variation, wherein a part of the magnetic field regulating rods is embedded in the cyclotron main body and another part is disposed outside the cyclotron main body.
Description
technical field [0001] The invention relates to a cyclotron, in particular to a pin type magnetic field synchronous adjustment device for the cyclotron. Background technique [0002] A cyclotron is a particle accelerator, which uses the combined action of a magnetic field and an electric field to cause charged particles to perform cyclotron motion, and a device that repeatedly accelerates the cyclotron-moving charged particles with a high-frequency electric field. [0003] At present, in the cyclotron, in order to maintain the stable growth of the particle trajectory radius during the acceleration process, the beam is required to have good radial alignment in the acceleration region, that is, the radial precession of the beam needs to be minimized to avoid coherent oscillations happened. The traditional solution in the field is to rationally design the electrode structure in the central area, the position and opening of the ion source, and the parameters of the beam transmi...
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IPC IPC(8): H05H7/04H05H13/00
CPCH05H7/04H05H13/005
Inventor 贾先禄张东昇宋国芳王川李明李要乾
Owner CHINA INSTITUTE OF ATOMIC ENERGY